Duplicating machine feed construction



June 26, 1951 A. H. GEIB DUPLICATING MACHINE FEED CONSTRUCTION 3Sheets-Sheet l Filed Sept 9, 1947 June 26, 1951 A.,H. GEIE 2,558,046

DUPLICATING MACHINE FEED CONSTRUCTION Filed Sept. 9, 1947 5 Sheets-Sheet2 June 26, 1951 A. H. GEIB DUPLICATING MACHINE FEED CONSTRUCTION 5Sheets-Shea?I 5 Filed sept. 9, 1947 Patented June 26, 1951 UNITED STATESPATENT OFFICE DUPLICATIN G MACHINE FEED CONSTRUCTION Arthur H. Geib,Milwaukee, Wis.

Application September 9, 1947, Serial No. 773,046

Claims. l

Ihis invention relates to improvements in duplicating vmachines of thekind disclosed and claimed in my co-pending application for LettersPatent, Serial No. 721,628, led January 1l, 1947, having for an objectto provide an improved and novel sheet receiving and feeding table andautomatic feeding means, whereby sheets may be individually fed, insuccessive order, from the table into duplicating engagement with themachine master sheet carrying drum.

It is also an object of the invention to provide a. sheet receiving andfeeding table which may be easily and quickly moved to an extended andoperative position with relation to the machine body in effectual sheetfeeding relationship to the machine sheet receiving, moistening andduplicating mechanism, and when desired, removed from such position toone within the machine body Where it will be satisfactorily housed andretained in compact and out-of-theway position, conveniently andimmediately available for future use.

Another object of the invention is to provide a sheet receiving andfeeding table equipped with novel means for firmly supporting its outerand free end when said table is arranged in an operative position withrespect to the machine body, and which, with stowing of the table in themachine body, will liushly engage in and with the open lower portion ofthe adjacent machine body wall and serve as an effectual closuretherefor.

A further object of the invention is to provide a duplicating machinewherein the body or casing thereof is so constructed and designed as toeffectually receive, support and house the duplicating mechanismassembly in such a manner as to afford a chamber immediately therebelow,into which the sheet receiving and feeding table and automatic feedingmechanism are stowed when not in use, and when it is desired to closethe machine, as for transporting, etc.

The invention also aims to provide to a duplicatingmachine vanadvantageous form of automatically operable sheet feeding mechanism, bymeans of which, sheets stacked and properly positioned on the feed tablewill be individually and successively engaged and removed from the uppersides of the stock and delivered to the sheet engaging and moisteningrolls of the duplicating assembly; said sheets being wiped or pulledfrom the stack upper side towards and to said rolls without folding,wrinkling or other malshaping.

Yet another object of the invention is to provide an automatic sheetfeeding mechanism collectively operable with and from the machine 2rotary master drum, by means of a simple yet eiectual motion convertingand transmitting connection, and which, if desired, may be disconnectedin order that the hand or manual feed of sheets from the table to theduplicating mechanism assembly can be effected.

Other objects of the invention are to provide the sheet receiving andfeed table with means for causing its accurate operative alignment withthe machine combined sheet receiving and guiding apron and gateimmediately following its movement to a machine body extended position,thus, ensuring satisfactory feeding of sheets to the duplicatingmechanism assembly; furthermore, to so mount the pressure roll 'of theduplicating mechanism assembly that with movement of said table tohoused and inoperative position within the machine body, the pressureroll will be automatically removed from peripheral pressure contact withthe master drum, and hence, ensure maintenance of its yieldable pe#ripheral surface free from malshaping or like deterioration.

The foregoing, as well as other objects, advantages and meritoriousteachings of my invention, will be in part obvious and in part pointedout in the following detailed disclosure thereof, when taken inconjunction with the accompanying drawings, it being understood that theform of the invention presented herein is precise and when is nowconsidered to be the best mode of embodying its principles, but thatmodifications and changes may be made in specific embodiments withoutdeparting from its essential fea-l tures.

In the drawings:

Figure l is a side elevation of a duplicating machine of the characterhereinbefore indicated, equipped with my improved sheet receiving andfeed table and automatic sheet feeding means, wherein said table isillustrated in an operative position and said feeding means is connectedfor operation.

Figure 2 is a fragmentary front end elevation of the equipped machineshown in Figure l.

Figure 3 is a fragmental perspective of the sheet delivery or dischargeend of the duplicating machine, with the sheet receiving tray inoperative or open position; the adjustable stop bar being illustrated,in dotted lines, in another of its adjusted positions.

Figure 4 is a top plan view of the equipped machine, wherein the feedtable, the automatic feeding means, and the sheet receiving tray areshown in operative positions.

Figure 5 is a vertical transverse section, taken on the line 5 5 ofFigure 4, looking in the direction in which the arrows point.

Figure 6 is a vertical longitudinal section, taker. on the line 6--6 ofFigure 4, looking in the dl rection in which the arrows point.

Figure 7 is an enlarged side elevation, looking toward the crank arm andpitman provided side of the equipped machine, with the lower portion ofthe machine body broken away and parts apnearing in section, showing itsfeed table stowing chamber and the feed table and automatic sheetfeeding means received or stowed therein in inoperative positions, and

Figure 8 is an enlarged detail in transverse section of the sheetengaging roller of the sheet feeding means, its clutch device, and thefeed means mounting, together with a portion of the sheet feeding tableover which the engaging roller moves, and a single sheet supportedthereon.

Referring in detail to the drawings, the invention is shown adapted to aduplicating machine of the type hereinbefore identified, which includesa box-like body or housing having end and side walls I and 2,respectively. Openings or ways are formed in and across the lowerportions of each of the side walls and provide for access to and from(sheet ingress and egress Ways) a chamber or compartment in the lowerportion of the body, identified by the reference letter C, the purposeof which will be hereinafter more fully described.

The upper portion of the machine body supports and houses theduplicating mechanism assembly. Said assembly, generally, includes ahorizontal liquid solvent tank or reservoir 3 having valved or othersuitable communication with a fluid pan 4; pick-up and squeegee rollers(not shown) co-operably associated with the pan and each other; a sheetmoistening roller 5; a moisture feed roller 6 parallel to andperipherally contacting the moistening roller 5; a master sheetreceiving and carrying drum 'I mounted on a shaft 8 journaled inbearings in appropriate portions of the body end walls, having a cranklever I E! on one of its ends; gearing I i for transmitting rotarymotion from an operating crank handle 9 to said master drum 1 and thesheet moistening roller 5, from which it is fricticnally transmitted tothe peripherally and frictionally intercontacted roller 6 and the fluidpick-up and squeegee rollers, aforesaid.

A pressure roller I2, disposed in parallel relation to the periphery ofthe master drum 1, is journaled in certain of the ends of mountingbracket arms I3 which, in turn, are pivotally mounted intermediately oftheir respective ends, as at I4, adjacent the inner sides of appropriateportions of the body end walls i, Contractile coiled springs I5 areconnected to the remaining and rearward ends of the bracket arms I3 andto the opposite end portions of a U-shaped trip lever IB arrangedlongitudinally and rearwardly of the chamber C area of the machine bodyand journaled, at its opposite ends, in adjacent portions of the bodyend walls i. A linger piece or handle Il is fixed to on-e end of thetrip lever I5 and is arranged eXteriorly of the machine body, in orderthat it may be conveniently engaged to effect pivotal movement of saidlever whereby the coiled springs IE can be tensioned or detensioned formoving the pressure roller into pressure peripheral contact with themaster drum "i, or out of such contact.

An apron-like member or gate I8 is disposed longitudinally of the bodyand is pivotally mounted on its end walls I adjacent the forward sidewall 2 in proximity to the sheet ingress way, herein indicated forconvenience by the numeral I9. Said member I8 serves to directindividual sheets, in successive fashion, into engagement with theperipheral intercontacting rollers 5 and 6 and, as will be understood,provides means for eectually feeding sheets to the machine duplicatingmechanism assembly from the sheet receiving and feeding table,hereinafter described.

As heretofore stated, the chamber C of the machine body has ingress andegress ways I9 and 20 formed in appropriate portions of the normallyfront and rear side Walls 2, respectively, each of which extendsthroughout the length or" its particular wall.

The purpose of the ingress may I9 is two-fold. It permits the feedingand passage of work sheets from the subsequently described feed table 2|into engagement with the machine duplicating mechanism assembly and, viaits lower portion, sliding of the feed table into the chamber C forstowing therein; and conversely, its sliding removal therefrom forarrangement in an operative sheet feeding position.

The egress way 2t communicates with the lower portion of the master drum"I and the pressure roller I2. Thus, as sheets are duplicated in and bythe machine, they move downwardly and rearwardly from the master drumand pressure roller through said egress way with the duplicated matterthereon, exposed.

A downwardly inclined and immovable chute Wall 22 is positioned in therearward part of the chamber C. Obviously, it will serve to directduplicated sheets received from the duplicating mechanism outwardlythrough the egress way 28; also, it transversely partitions the chamberC and limits the extent of stowing engagement of the feed table 2ltherein.

The egress way 20 has a door 23 whose lower side is hinged, as at 2li,to adjacent portions of the end walls l. Right angularly disposed angesor walls 23 are formed on the opposed sides of the door, whereby withits swinging to an open and substantially horizontal position (seeFigures l, 3 and e) said anges will prevent lateral displacement ofwork. sheets successively delivered thereonto from the duplicatingmechanism. A work sheet stop or check 25, comprising a U- shaped strip,has its opposite and angularly eX- tended legs swingably connected tothe free or outer ends of the anges 23' by links 2t. Because of Jthisswingable connection, said stop may be optionally arranged in one ofseveral relatively different positions; hence, rendering the sameeffectual for use in limiting the discharge movement of work sheets ofdifferent sizes received thereon from the machine duplicating mechanism(see Figures 3 and 4, including the dotted line showing of the former).

In order that work sheets may be eifectually delivered or fed to theduplicating mechanism assembly, the table 2i is provided and is adaptedto be operatively positioned adjacent the forward side wall\ 2 of themachine body. This table consists, preferably, of a rectangularly shapedfiat sheet body having its opposite sides downwardly flanged, as at 2,for reinforcement and machine body connecting facility.

A work sheet guide wall 28 is xedly mounted on the upper face of thetable body in proximity and parallel to one side thereof and has anoffset intermediate portion for receiving and retaining 2u yieldableWork sheet edge engaging block 2S.

Adjacent to and outwardly of the fixed wall 28 are anchoredlongitudinally disposed and relative-y ly spaced posts 39 mounting theopposite ends of a cross-sectionally circular guide rod 3l in theirupper ends, the purpose of which will be presently described.

Oppositely of and normally parallel to the fixed guide wall 28, atransversely adjustable guide wall 32 is received on the table bodyupper face. This wall has an outwardly offset seat 33 in andintermediately of its opposite ends, to which an outwardly disposedupright sleeve 34 is fixed. A stud 34' is received by and through thesleeve, its lower and headed end being slidably engaged in a slot 35formed in the feed table body and disposed transversely thereof to apoint suitably spaced from the fixed guide wall 28, while its upper endis threaded for receiving a locknut 36. Accordingly, it will beunderstood that the guide wall 32 may be adjusted to pre-determinedpositions transversely of the feed table, toward or from the fixed guidewall 28, whereby to effectually receive stacked work sheets therebetweenfor feeding to the machine duplicating mechanism assembly.

A second yieldable work sheet edge engagement block 29 is received andretained in the seat 33 of the adjustable guide wall 32.

The anged sides of the feed table body each have outwardly openingpockets 3l formed vin their inner ends, and downwardly opening bayonetor like slots 33 in portions in proximity thereto. A horizontal rod 39is mounted in the machine body end walls I across the upper portion ofthe ingress way I9 directly below and in proximity to the outer edge ofthe gate I8. Said rod, at times, is engaged in the pockets 31 and willthen serve to horizontally and firmly support the feed table inner endwith relation to the machine body and its sheet ingress way I9.

To engage the inner end of the feed table 2I and its anged sides 2'!with the supporting rod 39, as when said table is arranged in theoperative position shown in Figure 1 of the drawings, a U-shaped bracketassembly 40 is rotatably mounted, at its opposite ends, in and betweenthe machine body end walls I and extends horizontally across the ingressway I9 with its intermediate b-ody portion in parallel relation to saidhorizontal supporting rod 39. A finger engaging and actuating piece 4Iis nxed to one of the rotatably mounted ends of the bracket assembly 40,exteriorly of the machine body. By engaging and turning the same, thebracket, and particularly, its intermediate body portion, will be swungoutwardly and upwardly in an orbital path of travel from an inoperativeposition, as shown in Figure 7 of the drawings, to an operative orsupporting position, such as shown in Figure l. Therefore, it will beseen that if and when the feed table 2l is pulled or slid outwardly froma stowed position in the machine body chamber C (see Figure 7) thedownwardly opening bayonet slots 33 in the table flanged sides 2l willreceive adjacent portions of the horizontal body portion of the bracketassembly 4E! therein. Then, by engaging the finger piece 4I and turningit in the proper direction, said assembly and the engaged table end willbe swung outwardly and upwardly with relation to the machine bodyingress way I9, causing the inner ends of the flanged table sides 2l,with their pockets 3l, to be supportingly engaged with and about thehorizontal supporting rod39. At this time, the inner end of the feedtable 2l will be effectuallypositioned in operative relation to the worksheet receiving and controlling gate I, whereby sheets may be properlyfed to the duplicating mechanism.

To normally retain the U-shaped bracket assembly 40 in that positionshown in Figure 7 of the drawings, I may and preferably do connect oneend of a contractile coiled spring 42 to an appropriate portion of saidassembly, and its opposite end to a fixed portion of the machine body,i. e., a portion of a bottom flange on one of the end walls I. By thesame token, it will be understood that as and when the bracket assemblyA29 is swung outwardly and upwardly, the spring 42 will be placed undertension. In consequence, when said bracket assembly 40 is in itsuppermost position, i. e., a position where the feed table 2l will bepositioned, as shown in Figure l of the drawings, the tensioned spring42 will thereupon function to move the inner end ofthe feed tableinwardly into engagement with the horizontal supporting rod 39 and theremovably retain the same under adequate pressure.

In order that the free end of the feed table 2l will be firmly supportedwhen it is moved to a horizontal distended and operative position withrelation to the machine body (see Figure l) a panel 43 of rectangularformation having inwardly hanged opposite ends 44 and an inwardlydisposed and cross-sectionally curved lower side 45, is provided. Thelength of said panel is such that it shall have, at times, snugreception in the sheet ingress way I9. Its width or depth, preferably,is such that when engaged in the ingress way, as shown in Figure 7 ofthe drawings, its upper side will be substantially level with theadjacent and outer side of the gate I 8.

The panel 43 is swingably connected, by links 46, to outer end portionsof the table side flanges 2l, said links being also pivoted, at 4l, tointermediate portions of the iianges 44. Thus, when the panel 43 is inan inoperative position, as shown in Figure 'l of the drawings, thelinks 4S will have been swung to their lower positions in substantialparallelism to the panel, and the feed table 2l will be supported in aplane which will afford clearance to work sheet feeding mechanism(hereinafter described) received thereby, permitting free or unimpededsliding of the feed table to a stowed position in the chamber C, or anoperative position (see Figure l).

A bracing-stay arm 48, having its normally outer end angularly bent, asat 49, and formed with a bearing opening 50, loosely receivingtherethrough a shank or stud 5I fixed to the panel 43 in proximity toone end of its curved lower side 45, serves to limit outward swinging ofsaid panel to the extent and for the purpose' clearly shown in Figure l.The inner end of this arm is hooked or similarly provided, as at 49',Y

whereby with downward and outward swinging ofthe panel, it abuttinglyengages with a fixed stud 52 on the inner side and intermediate portionof the near feed table flange 2T. Consequently, positioning of the panel|13 with relation to the outer and extended end of the feed table,whereby to ensure its firm and positive the supporting rod 39 therein.Thereby, pendent support is provided the forward end of the chamber Cstowed feed table. Moreover, abutting engagement of the marginal portionof the curved lower 'side of the panel with the near edges or ends ofthe inwardly flanged lower sides of the end walls will be ensured.

Automatic work sheet feeding means are received and supported on thefeed table 2|. The same include a sleeve bracket 54 slidably mounted onthe guide rod 3l, having an inwardly extending longitudinally disposedarm 55 xed to or integral therewith. The free and inner end of the armreceives and rigidly supports a laterally extending rod 56 adapted, attimes, to transversely overlie the work sheet feed table 2| (see Figure4) for an appropriate distance.

To engage and successively remove the uppermost of stacked work sheets,such as the one shown and identified in Figure 8 of the drawings by theletter S, I provide a work sheet engaging and pulling device, generallyindicated by the numeral 51. Said device comprises an inverted U-shapedbracket 58 having a shaft 58 rotatably mounted between its oppositesides by means of 5 screws 50. Rollers 6|, of rubber or other suitablematerial, are xedly mounted on the shaft 59 in spaced relation and, asshown, are adapted to have peripheral contact with work sheets, such asthat designated at S. Loosely positioned between the body or headportion of the bracket 58 and an intermediate portion of the shaft 58,inwardly and laterally of its vertical axis, is a clutch roller E2. Asshown, said clutch roller has peripheral engagement with adjacentsurfaces of the bracket head and shaft. Outward displacement of theclutch roller is prevented by the overlying portion of a spring finger53 connected to the adjacent side of said bracket head by ascrewthreaded bearing pin or screw 54 received in and through a bushingsleeve 65 having its inner end engaged in an adjacent portion of asleeve 66 slidably mounted on the laterally extending rod 56 and,obviously, adjustable longitudinally therealong. A set or locking screw61 is turned through the slidably mounted sleeve SE into bindingengagement with the particularly adjacent portion of the rod 55, and so,secures it and the work sheet engaging and pulling device 51 in aselectively adjusted position.

As hereinafter more fully described, the work sheet device 51 hasreciprocal traversing movement over the feed table 2| and the worksheets S received and retained thereon. When said device is movedoutwardly with respect to the feed i table, it is evident that therubber rollers 6| will be permitted to rotate in the direction indicatedby the associated arrows in Figure 3 of the drawings. However, whenmoved in an opposite direction (see the arrow R) over the feed table,peripheral contact of the rollers 5I with a sheet S will tend to causetheir rotation in a reverse direction. This partial reverse rotation ofthe rollers, along with the shaft 59 contacting the clutch roller G2,will cause the latter to immediately bindingly engage or clutch theadjacent portions of the head of the bracket 58 and the shaft 59, andhence, prevent further rotation of the latter. Therefore, the shaftcarried rubber roller 6| will impart a drag to the surface engaged worksheet S and wipingly pull it toward and into the sheet ingress openingl5 onto the pivotal gate i8, for introduction into engagement with andby the machine duplicating mechanism assembly.

Reciprocal motion is automatically transmitted to the work sheetengaging and pulling device 51, when the feed table is positioned in themanner shown in Figures 1 and 4, by means of a connecting rod or barcomprising sections 68 and BB' whose adjacent ends are pivotallyconnected, as at 69, and with arrangement in relative parallelism, aredetachably locked by engaging the shank of a bolt 10 on a portion of thesection 68 in a marginally opening pocket 1| in an adjacent portion ofthe section 68'; thereupon, turning a locking nut Til onto the boltshank and into engagement with said section 68. One end of theconnecting rod 68-68' is pivoted to the outer end of the crank lever IB,at 12. Its remaining end is detachably pivoted, at 13, to a U-shapedbracket 14 pivotally and slidably mounted on the guide rod 3| andembracing the body of the sleeve bracket 54, also, slidable on said rod(note Figures 1, 2, 4 and '1).

Thus, with rotation of the master drum 1 and crank lever I@ from thegearing Il, such motion will be translated to reciprocal by theconnecting rod (l-68', and so, transmitted to the sheet engaging andpulling device 51.

By disengaging the connection 13 from the bracket 117| and loosening thelock nut 10', the sectional connecting rod 68-68 may be inoperativelypositioned on the machine by then engaging said connection 13 in asuitable screwthreaded opening formed in an appropriate portion of thenear end Wall in the manner shown in Fig. 1 of the drawings. With suchan arrangement of the connecting rod, the sheet engaging and pullingdevice 51 will not be reciprocally affected by rotation of the cranklever |D.

At this point, it may be noted that by reason of the character ofmounting of the sleeve bracket 54 on the guide rod 3|, the device 51 maybe swung upwardly and outwardly to a completely inoperative positionwith relation to the feed table 2|, Thereby, placement and properrelative arranging of work sheets on the feed table may be convenientlyand satisfactorily effected.

Operational use of my improved duplicating machine may be reviewed, asfollows:

Assuming that the machine is in its closed or inoperative position, asShown in Figure 7 of the drawings, to set it into operative position thepanel 43 is engaged and swung outwardly and downwardly with relation tothe sheet ingress way I9 and the feed table 2| to that position shown inFigure 1 of the drawings. Thereupon, the feed table 2| is dra-Wn or slidlongitudinally outwardly from the chamber C of the machine body throughthe lower portion of the ingress way l5. As it is thus moved, the loweredges of the feed table side flanges 21 slide over the body portion ofthe rotatably or pivotally mounted bracket assembly 4l! until thebayonet slots 38 in the said flanges receive said body portion therein.At this time, the finger engaging and actuating piece 4|, connected toone end of the bracket assembly 40, is turned in a direction to pivotthe same outwardly against the tension of the contractile coiled spring42. The bracket assembly 4i), through the engaging piece 4|, is nowswung upwardly to the position shown in Figure 1 and will be removablyso retained by action of the tensioned contractile spring 42 thereon. Insuch position, the inner ends of the feed table side flanges 21 will beadjacent though somewhat below the outer end of the gate |8 while thefeed table itself, will be substantially flush therewith.

This relationship is maintained by engagement of the supporting rod 39in the pockets 3l in the adjacent ends of said flanges 2l. l

The panel 43 will be retained, with relation to the outer end of thefeed table 2 l, in the manner shown in Figure 1 of the drawings, thebracingstay arm 48 so retaining the same. Following satisfactorytransverse adjustment of the adjustable guide wall 32 on the feed table2 I, the sleeve 55 is rotated on the guide rod 3l in a manner to permitdownward and inward swinging of the laterally extending rod 56 on whichthe sheet engaging and pulling device 5l is mounted. Said device 51 isadjusted to the particularly desired position on the rod 56 and issecured in a substantially perpendicular position thereon (see Figure 8)by turning the screw e? to a locking position.

The sectional connecting rod Sti-58 now has its sections swung intoparallelism and locked through the bolt and lock nut connection "ill-JM.The free end of the section 63' is pivotally connected to the U-shapedbracket le slidable on the guide rod 3l through the connecting device orscrew 73. The egress way door 2li isswung outwardly and downwardly tothe position shown in Figures 1 and 4 and the work sheet stop or checkis appropriately positioned.

With rotation of the master drum l, reciprocal motion is transmitted tothe sheet engaging and pulling device 5l through the connecting rods68-68. As this device moves outwardly of the feed table 2i, on whichsuitable work sheets S have been arranged, the roller El will rollthereover. However, on its return movement in an opposite direction, theclutch roller '62 will function to prevent reverse rotation of saidrollers (il so that as they are moved over the surface of an uppermostor adjacent sheet S, they will frictional-ly engage and pull the sametoward and into or through the ingress way I9 onto the plvn otallymounted gate I8 for introduction into duplicating engagement with themachine duplicating mechanism assembly.

Obviously, sheets passing through the machine duplicating assembly aredelivered from the master drum 7, rearwardly of the pressure roller l2and dropped onto the chute wall 22?;- from whence, they will movedownwardly and outwardly onto the tray-like receptacle provided by thenow opened door 23.

- To return the machine toitsl inoperative or closed position, the panel43, obviously, need only be moved inwardly and upwardly with relation tothe outer and adjacent end of the feed table 2l, whereupon it willassume a position, with relation to said feed table 2l, as indicatedi-'n Figure 7 of the accompanying drawing. Thereupon, the feed table 2lis pulled slightly outwardly and downwardly to that position also shownin said Figure 7 of the drawings. At this time, the feed table has aninward thrust imparted thereto which will move it into the stowingportion of the machine body chamber C; the extent of its inward movementthereinto, of course, being limited by the lower portion of the chutewall 22.

If a machine operator shall neglect to peripherally disengage thepressure roller l2 from the master drum l, this will be automaticallyeffected as the feed table 2l is moved into the machine body chamber C,in that the inner end of said feed table will engage the now downwardlyswung trip lever IB and swing it rearwardly and upwardly under urge ofthe tensioned contractile springs l5, hereinbefore described. Inconsequence, the pressure roller on the pivotally mounted bracket armsi3 will be moved out' of peripheral contact with the master drum l.

The ingress opening i9 will have its lower portion effectually closed bythe panel i3 now engaged therein, while the egress way or the machinebody, oi course, will be fully closed by swinging the door 23 upwardlyto the position shown in Figure I of the drawings.

Prior to sliding movement of the feed table 2l into the chamber C of themachine body, it will be understood that in addition to disconnectingthe sectional connecting rod @i3-S8', the sheet engaging and pullingdevice 5l is rotated or pivoted to an inclined or canted position, suchas indicated in Figure this being accomplished by disengaging thelocking screw lil from the transverse rod 5t and rotating the devicemounting sleeve thereon to the `particularly desired position.Thereupon, the feed table with the pulling device el' may be freely slidor moved into the chamber C of the machine body.

I claim:

1. A duplicating machine, including a housing having sheet ingress andegress ways therein', duplicating mechanism supported in the housing,said housing having a chamber therein, a sheet feed table stowable, attimes, in said chamber independently of said duplicating mechanism andremovable, at times, from said chamber to a position relative to thehousing communicating with said ingress way and said duplicatingmechanism, a panel adjacent Athe normally outer end of said feed tablereceivable, at times, in a portion of said ingress way to close saidchamber, means swingably connecting said panel to said normally outerend of the feed table whereby the panel may be swung to a positionrelative to the normally outer end of the feed table for supporting thesame, and means mounted on the casing and in said chamber engageablewith a portion of the feed table for moving the same upwardly to aposition whereby its normally inner end is arranged in communicationwith said duplicating mechanism.

2. A duplicating machine, including a housing having a chamber thereinapart from the machine duplicating means, one end of said chamber beingopen, a feed table stowable in said chamber via its open end, a paneladjacent the normally outer end of the feed table, links pivotallyconnected at certain of their ends to intermediate portions of theopposite sides of said panel and at their remaining ends to adjacent endportions of the opposite sides of the feed table, said panel withstowing of the feed table in the housing chamber being engaged in andclosing the chamber open end and overlying the outer end of the feedtable, and with removal of said feed table from said chamber intojuxtaposed relation to the housing open end, being swung downwardly anddisposed below and supporting said outer end of the feed table, andmeans connected to the panel slidably engaging a portion of said feedtable for limiting the extent of swinging movement thereof with relationto the feed table.

3. A duplicating machine, including a housing having a chamber thereinapart from the machine duplicating means, one end of said chamber beingopen, a feed table Stowable in said chamber via its open end, a panelswingably connected to the normally outer end of the feed table,

said panel, with stowing of the feed table in the housing chamber beingengaged in and closing the chamber open end and overlying the outer endof the feed table in substantially right-angular relation thereto, andWith removal of said feed table from said chamber into endwisejuxtaposed relation to the housing open end, being supportingly disposedbelow the outer end of said feed table in angular relation thereto, andmeans connected to the panel slidably engaging a portion of the feedtable movably retaining said panel in supporting relation to the feedtable outer end.

4. A duplicating machine, including a housing having a sheet ingress waytherein and a chamber therein apart from the machine duplicating meansand the ingress Way, one end of said chamber being open, a feed tablestoWable in said chamber via its open end, a panel swingably connectedto the normally outer end of the feed table, said panel, With stovvingofthe feed table in the housing chamber, being engaged in and closing thechamber open end and overlying the outer end of the feed table insubstantially rightangular relation thereto, and with removal of saidfeed table from said chamber into endwise juxtaposed relation to thehousing open end, being supportingly disposed below the outer end ofsaid feed table in angular relation thereto, means connected to thepanel slidably engaging a portion of the feed table movably retainingsaid panel in supporting relation to the feed table outer end, and aU-shaped bracket assembly rotatably supported in the housing inproximity to its open end, rotatable from without the housing, slidablyreceiving the feed table thereon, and in one rotated position,supporting the normally inner end of said feed table in substantiallyhorizontal alignment with the sheet ingress way.

5. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a drum rotatably mounted in the housing anda feed table communicating with the ingress Way; a swingable bracketreciprocally mounted on a portion of the feed table for movementlongitudinally thereof, sheet engaging and feeding means carried by saidbracket adjustable thereon transversely of the upper side of said feedtable, a crank lever connected to one end of said drum, a sectional rod,means interconnecting the adjacent ends of the sections of said rodoperable to lock the same in extended substantially co-linear relation,one end of the rod being pivotally connected to said crank lever, andmeans connecting the remaining end of the rod to said swingable bracketfor transmitting reciprocal motion thereto Without interference with theswingability thereof.

6. In combination with a duplicating machine including a housing havinga sheet ingress Way therein, a drum rotatably mounted in the housing anda feed table communicating with the ingress way; a swingable bracketreciprocally mounted on a portion of the feed table for movementlongitudinally thereof, sheet engaging and feeding means adjustablycarried by said bracket, a crank lever connected to one end of said drumoutwardly of said housing, a rod comprising pivotally interconnectedsections, means on the pivotal interconnection of the rod sections forreleasably locking them in extended substantially co-linear relation,one end of the rod being pivotally connected to said crank lever, andmeans connecting the remaining end of the rod to said swingable bracketfor transmitting reciprocal motion thereto without interfering with theswingabilty thereof.

7. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a drum rotatably mounted in the housing,and a feed table communicating with the ingress way; a swingable bracketslidably supported on a portion of the feed table for movementlongitudinally thereof, sheet engaging and feeding means carried by thebracket adjustable thereon transversely of the upper side of said feedtable, a crank lever connected to and rotatable with said drum, aconnecting rod comprising pivotally interconnected sections, means on,the pivotal interconnection of the connecting rod sections for lockingthem, at times, in extended substantially co-linear relation, one end ofthe connecting rod being pivotally connected to said crank lever, andmeans connecting the remaining end of the connecting rod to saidswingable bracket for transmitting sliding movement thereto Withoutinterference with the swingability thereof.

8. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a drum rotatably mounted in the housing,and a feed table communicating with the ingress way; a longitudinallydisposed guide rod immovably mounted on a portion of said feed table insubstantially spaced parallel relation to its upper side, a bracketslidable and rotatable on the guide rod, sheet engaging and feedingmeans carried by the bracket adjustable transversely of the vupper sideof said feed table, a crank lever connected to one end of said drum, arod comprising pivotally interconnected sections, means on the pivotalinterconnection of the rod sections for releasably locking them inextended substantially co-linear relation, one end of the rod beingpivotally connected to said crank lever, and means connecting theremaining end of the rod to said bracket for transmitting slidingmovement thereto Without interference with the swingability thereof.

9. In combination With a duplicating machine including a housing havinga sheet ingress way therein, a rotatable drum mounted in the housing,and a feed table communicating with the ingress way; a longitudinallydisposed guide rod immovably mounted on a portion of said feed table insubstantially spaced parallel relation to its upper side, a bracketslidable and rotatable on the guide rod, sheet engaging and feedingmeans carried by the bracket adjustable transversely of the upper sideof said feed table, a crank lever connected to one end of said drum, asectional rod, means interconnecting the adjacent ends of the sectionsof said rod, operable to lock the same in extended substantiallyco-linear relation, one end of the sectional rod being pivotallyconnected to said crank lever, and means connecting the remaining end ofthe sectional rod to said bracket for transmitting sliding movementthereto without interference with the swingability thereof.

l0. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a rotatable drum mounted in the housing,and a feed table communicating with the ingress Way; a longitudinallydisposed guide rod immovably mounted on a portion of said feed table insubstantially spaced parallel relation to its upper side, a bracketslidable and rotatable on the guide rod, a second bracket slidablyengaging the guide rod movably engaging the first mentioned bracket,sheet engaging and feeding means carried by said first mentioned bracketadjustable transversely of the upper side of said feed table, a cranklever connected to one end of said drum, a sectional rod, meansinterconnecting the adjacent ends of the sections of said rod operableto lock the same in extended substantially co-linear relation, one endof the sectional rod being pivotally connected to said crank lever andthe remaining end of said sectional rod being pivotally connected tosaid second mentioned bracket.

11. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a rotatable drum mounted in the housing,and a feed table communicating with the ingress Way; a longitudinallydisposed guide rod immovably mounted on a portion of said feed table inspaced substantially parallel relation to its upper side, a bracketslidable and rotatable on the guide rod, a second and substantially U-shaped bracket having its opposite sides slidably engaging said g-uiderod embracing and movably bearing on adjacent portions of the rstmentioned bracket, sheet engaging and feeding means carried by saidfirst mentioned bracket adjustable transversely of the upper side ofsaid feed table, a crank lever connected to one end of said drum, asectional rod, means interconnecting the adjacent ends of the sectionsof said rod operable to lock the same in substantially co-linearrelation, one end of the sectional rod being pivotally connected to saidcrank lever and the remaining end of said sectional rod being pivotallyconnected to said U-shaped bracket.

12. In combination with a duplicating machine including a housing havinga sheet ingress way therein, a rotatable drum mounted in the housing,and a feed table stoWable in the housing and movable therefrom to aposition adjacent and communicating with the housing ingress way; aSwingable bracket reciprocally mounted on a portion of the feed tablefor movement longitudinally thereof, sheet engaging and feeding meanscarried by said bracket adjustable thereon transversely of the upperside of said feed table, a crank lever connected to one end of saiddrum, a sectional rod, means interconnecting the adjacent ends of thesections of said rod operable to lock the same in extended substantiallyco-linear relation, one end of the rod being pivotally connected to saidcrank lever, and means detachably pivotally connecting the remaining endof said rod to said bracket for transmitting sliding movement theretowithout interference with the swingability thereof.

13. A work sheet feed table for duplicating machines, comprising asubstantially rectangularly shaped flat surface body, means on one endof said table for facilitating its detachable and supporting connectionto a portion of the duplieating machine, a bracket arm slidably mountedon the normally upper side of said table movably longitudinally of thesame, Work sheet engaging and feed means carried by said bracket arm andadjustable laterally with relation thereto, said work sheet engaging andfeed means being longitudinally movable over the normally upper side ofsaid sheet feed table, a panel of a length substantially correspondingto the Width of the table,

14 links of lengths less than the width of the panel pivoted at certainof their ends to intermediate portions of the opposite ends of saidpanel and at their remaining ends to the remaining end of said table,said panel being adjustable to different positions with relation to thetable, one of said positions being adjacent to and covering saidremaining end of the table, and the other thereof being below theremaining end of the table and` in supporting relation thereto throughsaid links.

14. A work sheet feed table for duplicating machines, comprising asubstantially flat surface body, means on one end of said table forfacilitating its supporting connection to a portion of the duplicatingmachine, a panel of a length substantially corresponding to the lWidthof the table, links of lengths less than the Width of the panel pivotedat certain of their ends to intermediate portions of the opposite endsof said panel and at their remaining ends to the remaining end of saidtable, said panel being adjustable to different positions with relationto the table, one of said positions being adjacent to and covering saidremaining end of the table, and the other thereof being below theremaining end of the table and in supporting relation thereto throughsaid links.

15. A duplicating machine, including a housing having a stowing cham-bertherein one end of which is open, a feed table, means on one end of saidtable for facilitating its supporting connection to a portion of theduplicating machine housing in proximity to the open end of said stowingchamber, a panel of a length substantially corresponding to the widthofthe table, links of lengths less than the width of the panel pivotedat certain of their ends to intermediate portions of the opposite endsof said panel and at their remaining ends to the remaining end of saidtable, said panel being adjustable to different positions with relationto the table, one of said positions being adjacent to and over saidremaining end of the table and in and closing the open end of saidchamber, and the other of said positions .being below the remaining endof the table and in supporting relation thereto through said links.

ARTHUR H. GEIB.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 976,735 Hardman Nov. 22, 19101,089,148 Neidich Mar. 3, 1914 1,618,309 Rowley Feb. 22, 1927 2,075,950Marchev Apr. 6, 1937 2,150,744 Marchev Mar. 14, 1939 2,166,272 StorckJuly 18, 1939 2,214,960 Harding et al Sept. 17, 1940 2,262,510 Morrisonet al Nov. 11, 1941 2,270,730 Gochmaner Jan. 20, 1942 2,271,954 RockhillFeb. 3, 1942 2,399,176 Ford Apr. 30, 1946

